20244521080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7841}}^1\times {\mathrm{9221}}^1$

素因数の和:17080

約数の個数: 64

約数和(自身を含む): 52069625280

約数和(自身を除く): 31825104200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7841, 9221, 15682, 18442, 31364, 36884, 39205, 46105, 54887, 62728, 64547, 73768, 78410, 92210, 109774, 129094, 156820, 184420, 219548, 258188, 274435, 313640, 322735, 368840, 439096, 516376, 548870, 645470, 1097740, 1290940, 2195480, 2581880, 72301861, 144603722, 289207444, 361509305, 506113027, 578414888, 723018610, 1012226054, 1446037220, 2024452108, 2530565135, 2892074440, 4048904216, 5061130270, 10122260540, 20244521080]

約数ペア:

[(1, 20244521080), (2, 10122260540), (4, 5061130270), (5, 4048904216), (7, 2892074440), (8, 2530565135), (10, 2024452108), (14, 1446037220), (20, 1012226054), (28, 723018610), (35, 578414888), (40, 506113027), (56, 361509305), (70, 289207444), (140, 144603722), (280, 72301861), (7841, 2581880), (9221, 2195480), (15682, 1290940), (18442, 1097740), (31364, 645470), (36884, 548870), (39205, 516376), (46105, 439096), (54887, 368840), (62728, 322735), (64547, 313640), (73768, 274435), (78410, 258188), (92210, 219548), (109774, 184420), (129094, 156820)]